Sturisomatichthys varii is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Loricariinae, the mailed catfishes. This catfish occurs in the San Juan River basin in Colombia. The species was described in 2019 by Alejandro Londoño-Burbano (of the Federal University of Rio de Janeiro) and Roberto E. Reis (of the Pontifical Catholic University of Rio Grande do Sul) as part of a taxonomic revision of the genus Sturisomatichthys.Londoño-Burbano, Alejandro & Reis, Roberto. (2019). A Taxonomic Revision of Sturisomatichthys Isbrücker and Nijssen, 1979 (Loricariidae: Loricariinae), with Descriptions of Three New Species. Copeia. 107. 764. 10.1643/CI-19-226.
Etymology The fish is named in honor of Richard P. Vari (1949–2016), of the National Museum of Natural History, of the Smithsonian Institution in Washington, D.C..
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